From 719f9e2c8d0ba37a8217e910ad510a74b39a1f6c Mon Sep 17 00:00:00 2001
From: Nils Schmidt <nilsschmidt1337@users.noreply.github.com>
Date: Fri, 29 Dec 2023 17:24:47 +0100
Subject: [PATCH] Added alpha channel reset for specular and diffuse (OpenGL
 3.3)

---
 src/org/nschmidt/ldparteditor/opengl/renderer.frag | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/org/nschmidt/ldparteditor/opengl/renderer.frag b/src/org/nschmidt/ldparteditor/opengl/renderer.frag
index 084860ee3..95990bc03 100644
--- a/src/org/nschmidt/ldparteditor/opengl/renderer.frag
+++ b/src/org/nschmidt/ldparteditor/opengl/renderer.frag
@@ -306,6 +306,10 @@ void main()
         
     }
     
+    // It is not possible to set alpha with lightAmbientDiffuse.a = X or lightSpecular.a = X
+    lightAmbientDiffuse  = vec4(lightAmbientDiffuse.r,lightAmbientDiffuse.g,lightAmbientDiffuse.b,0.0);
+    lightSpecular        = vec4(lightSpecular.r,lightSpecular.g,lightSpecular.b,0.0);
+    
     if (texmapswitch > 0.5f) {
         vec4 texColor = texture2D(ldpePngSampler, tex.xy);
         texColor.r *= factor;